天山新题20 15

christinahong

15.A substance from the licorice plant, 50 times sweeter than sucrose, was recently discovered, is not only a natural sweetener but also prevents tooth decay.
(A) A substance from the licorice plant, 50 times sweeter than sucrose, was recently discovered
(B) A substance, which was recently discovered, from the licorice plant, 50 times sweeter than sucrose,
(C) A substance from the licorice plant, which was recently discovered to be 50 times sweeter than sucrose,
(D) A substance from the licorice plant, 50 times sweeter than sucrose , which was recently discovered,
(E) A recently discovered substance, 50 times sweeter than sucrose from the licorice plant,
答案：B
Why not E?

donna

from the licorice plant, 50 times sweeter than sucrose做状语修饰discovered的。

christinahong

谢谢！

seaverr

sucrose并不是from the licorice plant, A substance是, E修改了句意.